Repair Acrylic Y-Carriage Geeetech I3

Acrylic is a good material for a printer frame, it is strong and stable. Unfortunately, it has the flexibility of glass. When I was tying some cabling underneath a printer I was assembling, the Y carriage slid forward and the bed struck an object before the carriage hit the same object, resulting in breaking out one bed mounting hole and cracking another.

This is a classic case of a 3D printer to the rescue, unfortunately it takes a functioning 3D printer fo fix a 3D printer that is broke